I want to replace my swing back trailer jack. There doesn't seem to be any that are made to fit the 2x2 tubing of my trailer tongue. Most seem to be designed to fit a large range of tongue sizes and because of this they have a bunch of extra metal on one side like so:
I ran across another trailer similar to mine that had a very nice looking mount like this:
Does anyone know what that mount is called or where I would get one? Or is it just something you would custom fab?

I ran across another trailer similar to mine that had a very nice looking mount like this:

Does anyone know what that mount is called or where I would get one? Or is it just something you would custom fab?